Erratum to: Pharm Res

DOI 10.1007/s11095-012-0928-9

The references cited in the text and Table 1 for the pKa and log KO/W values of betaxolol, timolol, and atenolol are incorrect. Although this does not affect the conclusion in the paper, it will affect the readers who want to use the references in their studies and investigations. The errors are described below:

Pages 867–868: The references for the pKa and log KO/W values of betaxolol, timolol, and atenolol cited in the text and Table 1 are incorrect. The correct references are:

Betaxolol: log KO/W:

Product Monograph, Betoptic S, Alcon Canada, Control #049005, http://www.visioninstitute.optometry.net/UserFiles/users/499/File/BETOPTIC%20S%20-%20ALCON.pdf

Timolol: pKa and log KO/W:

Reference #33, Denet et al. Pharm Res. 2003;20:1946–51.

Atenolol: log KO/W:

Reference #20, Burgot et al. Int J Pharm. 1990;63:73–6.

We hope this error does not cause any inconvenience to the readers.